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Waste gas treatment equipment Waste gas treatment method and principle

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  • Time of issue:2020-12-16 19:01
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(Summary description)How it works: The exhaust gas treatment equipment discharges flue gas into the atmosphere through the chimney, or dilutes the flue gas with odorless air to reduce the density of odorous substances, th

Waste gas treatment equipment Waste gas treatment method and principle

(Summary description)How it works: The exhaust gas treatment equipment discharges flue gas into the atmosphere through the chimney, or dilutes the flue gas with odorless air to reduce the density of odorous substances, th

  • Categories:Company dynamics
  • Author:
  • Origin:
  • Time of issue:2020-12-16 19:01
  • Views:
Information

Waste gas treatment equipment Waste gas treatment method and principle

1.Dilution diffusion method

How it works: The exhaust gas treatment equipment discharges flue gas into the atmosphere through the chimney, or dilutes the flue gas with odorless air to reduce the density of odorous substances, thereby reducing the smell.Scope of application: suitable for medium and low concentration of odor gas treatment.Advantages: low cost, simple electrical appliances.The downside: Easily affected by weather, and still has a pungent odor.

2.Water absorption way

Working principle: some elements in the exhaust gas soluble in water, the components in the exhaust gas can contact with water and dissolve in water, to achieve the purpose of deodorization.Usable area: Water soluble odour with the discharge source already arranged.Advantages: simple production process, convenient control.The operating cost of the equipment is low.Re-contamination should be treated with detergent solution.Disadvantages: low cleaning efficiency, should be used in combination with other technologies.The therapeutic effect of fatty acids is not ideal.

 

 

3.Deodorization method of aerated activated sludge

How it works: Exhaust gas treatment equipment disseminates odors through aeration into a mixture containing activated sludge.In addition, suspended microorganisms can degrade odor-degrading substances in large applications.Available area: Japan has been used for odor treatment in fecal and sewage treatment plants.Advantages: after the acclimation of activated sludge, the odor removal rate can reach 99.5%.Disadvantages: According to the control of aeration intensity, the application of this method has some limitations.

4.Multimedia catalytic oxidation process

How it works: The reactor is filled with a special solid filler, which is mixed with the multimedia catalyst.When the special odor gas depends on the packing layer under the action of the induced draft fan, the mist liquid oxidizer ejected through the special nozzle completely contacts the surface of the solid phase packing, and the odor gas is catalyzed through the multimedia catalyst.The pollution factor is completely decomposed.

Available area of waste gas treatment equipment: it has a wide range of applications, especially for the treatment of atmospheric and medium and high concentration of waste gas, and has a good removal rate of hydrophobic pollutants.Advantages: small footprint, low investment, low operating costs, easy to manage, and ready to use.Disadvantages: impact load resistance, not susceptible to changes in pollutant concentration and temperature, and consumes a certain amount of reagents.

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